Top answers


What is the empirical formula of a compound with the following composition by mass, 48.0g C, 4.0g H and 48.0g O?

There are 3 Steps to answering this question: But first you need to understand what is meant by empirical formula: The simplest whole number ratio of the atoms of each element present in a compound. 1) First...
EC
Answered by Eleanor C. Chemistry tutor
6213 Views

How does Willy Russell present the theme of class throughout Blood Brothers?

It is evident that class plays an integral role in the play, influencing the fate of “the Johnstone twins” from the beginning of the play, demonstrated in the fact that Mrs Johnstone already has “seven hungr...
MB
16571 Views

solve: 4x^2 + 6x - 4 > 0

4x 2 + 6x - 4 > 0 2(2x 2 + 3x - 2) > 0 2(2x - 1)(x + 2) > 0 2x-1 = 0 --> 2x = 1 --> x = 0.5x+2 = 0 --> x = -2 x = 0.5
NH
Answered by Nicholas H. Maths tutor
4210 Views

Fill in blanks so that sentence means "Tomorrow, I am going to go to the supermarket": "Mañana, __ __ __ al supermercado"

"Mañana, voy a ir al supermercado"You are " going to" do something, indicates plan in the near future--> Informal future tense.Time phrase mañana indicates nearness.How to construct in...
HC
Answered by Hannah C. Spanish tutor
3944 Views

Explain what would happen to the pH of a solution of aqueous hydrochloric acid if you add water.

pH is a measure of the concentration of H+ ions contained within a given volume of a solution. Adding water, without increasing the amount of hydrochloric acid particles within the solution, increases the vo...
MR
5815 Views